FAIR VALUE DISCLOSURES (Details) (USD $)	3 Months Ended		6 Months Ended		12 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Mar. 31, 2013
Fair Value [Line Items]
Inventories	$ 158,622,000		$ 158,622,000		$ 153,969,000
Assets held for sale	26,719,000		26,719,000		8,290,000
Impairment of Long-Lived Assets Held-for-use	(2,489,000)	(2,000,000)	(4,544,000)	(3,889,000)
Total Assets Non Recurring	21,732,000	1,961,000	21,732,000	1,961,000
Total Assets Recurring	5,235,000		5,235,000		4,837,000
Contingent Consideration	36,432,000		36,432,000		35,625,000
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Period Increase (Decrease)			807,000
Total Liabilities Recurring	36,432,000		36,432,000		35,625,000
Fair Value Inputs, Discount Rate	4.00%				4.00%
Carrying value of total debt	831,083,000		831,083,000		787,269,000
Fair value of total debt	882,196,000		882,196,000		847,767,000
Fair Value, Measurements, Nonrecurring [Member]
Fair Value [Line Items]
Inventories	18,365,000		18,365,000
Assets held for sale	3,367,000	1,961,000	3,367,000	1,961,000
Number of Impairment of Long-Lived Assets to be Disposed of	1	2	3	9
Cougar [Member]
Fair Value [Line Items]
Potential earn-out payments	40,000,000		40,000,000
FV Other Assets [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value [Line Items]
Rabbi Trust investments	5,235,000		5,235,000		4,837,000
FV Other Liabilities And Deferred Credits [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value [Line Items]
Contingent Consideration					35,625,000
FV Other Liabilities And Deferred Credits [Member] | Fair Value, Measurements, Recurring [Member] | Current [Member]
Fair Value [Line Items]
Contingent Consideration	5,933,000		5,933,000
FV Other Liabilities And Deferred Credits [Member] | Fair Value, Measurements, Recurring [Member] | Noncurrent [Member]
Fair Value [Line Items]
Contingent Consideration	30,499,000		30,499,000
Inventories [Member]
Fair Value [Line Items]
Impairment of Long-Lived Assets Held-for-use	(1,539,000)		(2,364,000)
Assets Held-for-sale [Member]
Fair Value [Line Items]
Impairment of Long-Lived Assets Held-for-use	(950,000)	(2,000,000)	(2,180,000)	(3,889,000)
Senior Notes Due 2022 [Member]
Fair Value [Line Items]
Carrying value of total debt	450,000,000		450,000,000		450,000,000
Fair value of total debt	468,000,000		468,000,000		484,875,000
Term Loan [Member]
Fair Value [Line Items]
Carrying value of total debt	228,107,000		228,107,000		230,625,000
Fair value of total debt	228,107,000		228,107,000		230,625,000
Convertible Senior Notes [Member]
Fair Value [Line Items]
Carrying value of total debt	107,906,000		107,906,000		106,196,000
Fair value of total debt	141,019,000		141,019,000		131,819,000
Revolving Credit Facility [Member]
Fair Value [Line Items]
Carrying value of total debt	45,000,000		45,000,000		0
Fair value of total debt	45,000,000		45,000,000		0
All Other Debt [Member]
Fair Value [Line Items]
Carrying value of total debt	70,000		70,000		448,000
Fair value of total debt	70,000		70,000		448,000
Fair Value, Inputs, Level 1 [Member]
Fair Value [Line Items]
Total Assets Non Recurring	0	0	0	0
Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value [Line Items]
Total Assets Recurring	5,235,000		5,235,000		4,837,000
Total Liabilities Recurring	0		0		0
Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Nonrecurring [Member]
Fair Value [Line Items]
Inventories	0		0
Assets held for sale	0	0	0	0
Fair Value, Inputs, Level 1 [Member] | FV Other Assets [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value [Line Items]
Rabbi Trust investments	5,235,000		5,235,000		4,837,000
Fair Value, Inputs, Level 1 [Member] | FV Other Liabilities And Deferred Credits [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value [Line Items]
Contingent Consideration					0
Fair Value, Inputs, Level 1 [Member] | FV Other Liabilities And Deferred Credits [Member] | Fair Value, Measurements, Recurring [Member] | Current [Member]
Fair Value [Line Items]
Contingent Consideration	0		0
Fair Value, Inputs, Level 1 [Member] | FV Other Liabilities And Deferred Credits [Member] | Fair Value, Measurements, Recurring [Member] | Noncurrent [Member]
Fair Value [Line Items]
Contingent Consideration	0		0
Fair Value, Inputs, Level 2 [Member]
Fair Value [Line Items]
Total Assets Non Recurring	21,732,000	1,961,000	21,732,000	1,961,000
Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value [Line Items]
Total Assets Recurring	0		0		0
Total Liabilities Recurring	0		0		0
Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Nonrecurring [Member]
Fair Value [Line Items]
Inventories	18,365,000		18,365,000
Assets held for sale	3,367,000	1,961,000	3,367,000	1,961,000
Fair Value, Inputs, Level 2 [Member] | FV Other Assets [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value [Line Items]
Rabbi Trust investments	0		0		0
Fair Value, Inputs, Level 2 [Member] | FV Other Liabilities And Deferred Credits [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value [Line Items]
Contingent Consideration					0
Fair Value, Inputs, Level 2 [Member] | FV Other Liabilities And Deferred Credits [Member] | Fair Value, Measurements, Recurring [Member] | Current [Member]
Fair Value [Line Items]
Contingent Consideration	0		0
Fair Value, Inputs, Level 2 [Member] | FV Other Liabilities And Deferred Credits [Member] | Fair Value, Measurements, Recurring [Member] | Noncurrent [Member]
Fair Value [Line Items]
Contingent Consideration	0		0
Fair Value, Inputs, Level 3 [Member]
Fair Value [Line Items]
Total Assets Non Recurring	0	0	0	0
Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value [Line Items]
Total Assets Recurring	0		0		0
Total Liabilities Recurring	36,432,000		36,432,000		35,625,000
Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Nonrecurring [Member]
Fair Value [Line Items]
Inventories	0		0
Assets held for sale	0	0	0	0
Fair Value, Inputs, Level 3 [Member] | FV Other Assets [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value [Line Items]
Rabbi Trust investments	0		0		0
Fair Value, Inputs, Level 3 [Member] | FV Other Liabilities And Deferred Credits [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value [Line Items]
Contingent Consideration					35,625,000
Fair Value, Inputs, Level 3 [Member] | FV Other Liabilities And Deferred Credits [Member] | Fair Value, Measurements, Recurring [Member] | Current [Member]
Fair Value [Line Items]
Contingent Consideration	5,933,000		5,933,000
Fair Value, Inputs, Level 3 [Member] | FV Other Liabilities And Deferred Credits [Member] | Fair Value, Measurements, Recurring [Member] | Noncurrent [Member]
Fair Value [Line Items]
Contingent Consideration	$ 30,499,000		$ 30,499,000